---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2385 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 782 5128 4 2328 7159 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:82:5c:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81315sec preferred_lft 81315sec inet6 fe80::f816:3eff:fe82:5cc9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2385) 04/13/26 _x86_64_ (2 CPU) 00:41:56 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.56 0.01 1.53 0.02 0.05 18.55 654.34 01:10:03 15.54 13.54 1.93 0.07 151.12 44.25 7.57 01:20:03 1.94 0.32 1.60 0.03 39.03 73.55 1.40 01:30:03 14.25 0.01 1.63 12.62 1.20 20.27 109985.50 01:40:00 1.80 0.42 1.37 0.02 16.10 48.01 1.21 01:50:03 23.83 2.61 19.01 2.21 210.63 3100.76 567.62 02:00:03 1.61 0.00 1.58 0.03 0.35 72.91 0.71 Average: 8.66 2.42 4.11 2.14 59.93 484.98 15888.77 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6289496 7536080 284580 3.50 30672 1421564 529148 5.76 445336 1183400 224 01:10:03 6230248 7533972 277628 3.41 34864 1466192 529308 5.77 446040 1231612 236 01:20:03 6166604 7499216 311668 3.83 35284 1494248 727968 7.93 463308 1249020 280 01:30:03 6185176 7518736 292172 3.59 35524 1494932 529388 5.77 457704 1249604 236 01:40:00 6170040 7518924 291804 3.59 35872 1509744 548684 5.98 483568 1263132 172 01:50:03 5204860 7377256 385476 4.74 88912 2239240 672376 7.32 627656 2001620 244 02:00:03 5181820 7370188 392432 4.83 89060 2255072 674216 7.34 630328 2017488 348 Average: 5918321 7479196 319394 3.93 50027 1697285 601584 6.55 507706 1456554 249 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.71 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.57 0.06 5.75 0.04 0.00 0.00 0.00 0.00 01:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.81 0.29 3.44 0.09 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.34 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 6.91 4.78 20.02 3.27 0.00 0.00 0.00 0.00 01:50:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 66.53 49.72 280.63 9.60 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 45.85 42.07 10.37 5.83 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.43 13.90 45.97 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2385) 04/13/26 _x86_64_ (2 CPU) 00:41:56 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.30 0.00 0.15 0.01 0.04 99.49 01:00:03 0 0.29 0.00 0.16 0.01 0.04 99.50 01:00:03 1 0.32 0.00 0.15 0.01 0.05 99.48 01:10:03 all 0.25 0.17 0.14 0.12 0.04 99.28 01:10:03 0 0.44 0.26 0.15 0.16 0.03 98.97 01:10:03 1 0.06 0.09 0.13 0.09 0.05 99.59 01:20:03 all 0.33 0.00 0.11 0.02 0.04 99.50 01:20:03 0 0.45 0.00 0.09 0.02 0.03 99.41 01:20:03 1 0.22 0.00 0.13 0.02 0.05 99.59 01:30:03 all 0.26 0.00 0.17 0.03 0.04 99.50 01:30:03 0 0.37 0.00 0.16 0.04 0.04 99.40 01:30:03 1 0.15 0.00 0.18 0.02 0.04 99.61 01:40:00 all 0.51 0.00 0.09 0.01 0.04 99.35 01:40:00 0 0.27 0.00 0.12 0.02 0.04 99.55 01:40:00 1 0.74 0.00 0.06 0.01 0.03 99.16 01:50:03 all 13.34 0.00 1.77 0.52 0.07 84.29 01:50:03 0 15.75 0.00 2.03 0.70 0.07 81.44 01:50:03 1 10.94 0.00 1.50 0.34 0.08 87.14 02:00:03 all 6.05 0.00 0.58 0.01 0.09 93.28 02:00:03 0 5.95 0.00 0.57 0.01 0.08 93.39 02:00:03 1 6.15 0.00 0.58 0.01 0.09 93.17 Average: all 3.01 0.02 0.43 0.10 0.05 96.39 Average: 0 3.36 0.04 0.47 0.14 0.05 95.95 Average: 1 2.65 0.01 0.39 0.07 0.05 96.82